激光选区熔化316L不锈钢在酸性氯离子溶液中的钝化行为

李飞阳, 刘志红, 乔岩欣, 杨兰兰, 卢道华, 汤雁冰

Passivation Behavior of Laser Selective Melted 316L Stainless Steel in Sulphuric Acid Containing Chloride Ion Solution

LI Feiyang, LIU Zhihong, QIAO Yanxin, YANG Lanlan, LU Daohua, TANG Yanbing

表1 SLM 316L和R 316L的化学成分

Table 1 Chemical Composition of SLM 316L and R 316L (mass fraction, %)

Si Mn P S Ni Cr C Mo Fe SLM 316L 0.25 0.71 0.007 0.006 10.58 16.41 0.013 2.67 Bal. R 316L 0.447 1.167 0.031 0.001 10.162 16.821 0.019 2.102 Bal.